/*
 * Copyright (c) 2022-2022 Huawei Technologies Co., Ltd. All rights reserved.
 * Copyright (c) 2022-2022 Huawei Device Co., Ltd. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list of
 * conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
 * of conditions and the following disclaimer in the documentation and/or other materials
 * provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
 * to endorse or promote products derived from this software without specific prior written
 * permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#include "It_posix_container.h"
#include "sys/resource.h"
#include "sys/wait.h"
#include "pthread.h"
#include "sched.h"

const int CHILD_FUNC_ARG = 0x2088;
const int EXIT_TRUE_CODE = 255;
const int MAX_PID_RANGE = 100000;
const int SLEEP_TIME_US = 1000;
const int LOOP_NUM = 1000;

static int childFunc(void *arg) {
    usleep(SLEEP_TIME_US);
    exit(EXIT_TRUE_CODE);
}

static int GroupProcess(void *arg)
{
    int ret;
    int status = 0;

    for (int i = 0; i < LOOP_NUM; i++) {
        int arg = CHILD_FUNC_ARG;
        auto pid = CloneWrapper(childFunc, CLONE_NEWNS, &arg);
        ICUNIT_GOTO_WITHIN_EQUAL(pid, 0, MAX_PID_RANGE, pid, EXIT);

        ret = waitpid(pid, &status, 0);
        ICUNIT_GOTO_WITHIN_EQUAL(pid, 0, MAX_PID_RANGE, pid, EXIT);
        status = WEXITSTATUS(status);
        ICUNIT_GOTO_EQUAL(status, EXIT_TRUE_CODE, status, EXIT);
    }

    exit(EXIT_TRUE_CODE);
EXIT:
    exit(1);
}

static int TestCase(void)
{
    int ret;
    int status = 0;
    int arg = CHILD_FUNC_ARG;
    auto pid = CloneWrapper(GroupProcess, CLONE_NEWNS, &arg);
    ICUNIT_GOTO_WITHIN_EQUAL(pid, 0, MAX_PID_RANGE, pid, EXIT);

    ret = waitpid(pid, &status, 0);
    ICUNIT_ASSERT_EQUAL(ret, pid, ret);
    status = WEXITSTATUS(status);
    ICUNIT_GOTO_EQUAL(status, EXIT_TRUE_CODE, status, EXIT);

    return 0;
EXIT:
    return 1;
}

void ItPosixContainerStability003(void)
{
    TEST_ADD_CASE("IT_POSIX_CONTAINER_STABILITY_003", TestCase, TEST_POSIX, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
}
